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Finding the Fourth Proportional to 133,889.49, 184,761.39 and 73,458.90

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Solution

The fourth proportional to 133,889.49, 184,761.39 and 73,458.90 is: 101,369.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,889.49 : 184,761.39 = 73,458.90 : x
  2. Step 2: Convert to fraction form
    133,889.49/184,761.39 = 73,458.90/x
  3. Step 3: Cross multiply
    133,889.49x = 184,761.39 × 73,458.90
  4. Step 4: Simplify right side
    133,889.49x = 13,572,368,471.87
  5. Step 5: Solve for x
    x = 13,572,368,471.87/133,889.49
  6. Step 6: Final answer
    x = 101,369.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.